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FFmpeg recipe : combine separate audio and video - LinuxPip
https://linuxpip.org/ffmpeg-combine-audio-video/#:~:text=If%20your%20video%20file%20already%20contains%20one%20or,the%20input%2Finputs%20to%20be%20included%20in%20the%20output%2Foutputs.
How to replace a video's audio with FFMPEG - Flying Sound
https://flyingsound.net/about/articles/replace-video-audio-ffmpeg/
ffmpeg -i /path/to/movie/file.mp4 -i /path/to/audio/file.wav -acodec copy -vcodec copy -map 0:v:0 -map 1:a:0 combined_file.mov -i -- the input file(s) -acodec copy -- this means keep the audio codec from the source file -vcodec copy -- this means keep the video codec from the source file -map 0:v:0 -- This is a complicated option that specifies that we want to take the video from the first …
ffmpeg - replace audio in video - Super User
https://superuser.com/questions/1137612/ffmpeg-replace-audio-in-video
You will want to copy the video stream without re-encoding to save a lot of time but re-encoding the audio might help to prevent incompatibilities: ffmpeg -i v.mp4 -i a.wav -c:v copy -map 0:v:0 -map 1:a:0 new.mp4. -map 0:v:0 maps the first (index 0) video stream from the input to the first (index 0) video stream in the output. -map 1:a:0 maps the second (index 1) audio stream from …
Replacing video audio using ffmpeg - Ochre
https://ochremusic.com/2016/07/05/replacing-video-audio-using-ffmpeg/
In Windows 10, you can shift-right click in the Explorer directory that houses your video file to open a command window (just select the very handy 'Open command window here' option). Firstly, if you'd like to strip the audio from a video file, you can use this command: ffmpeg -i INPUT.mp4 -codec copy -an OUTPUT.mp4
Ffmpeg – replace audio in video – iTecTec
https://itectec.com/superuser/ffmpeg-replace-audio-in-video/
Best Answer. You will want to copy the video stream without re-encoding to save a lot of time but re-encoding the audio might help to prevent incompatibilities: ffmpeg -i v.mp4 -i a.wav -c:v copy - map 0 :v: 0 - map 1 :a: 0 new .mp4. -map 0:v:0 maps the first (index 0) video stream from the input to the first (index 0) video stream in the output. -map 1:a:0 maps the second (index 1) audio …
How to Remove Audio from Video using FFmpeg. Bonus: …
https://ottverse.com/add-remove-extract-audio-from-video-using-ffmpeg/
How to Remove a Specific Audio Track using FFmpeg. For removing a specific audio track using FFmpeg, you can always use the map command. The general syntax of the map command is -map input_file_index:stream_type_specifier:stream_index. So, you could select the 2nd audio track of the video by saying -map 0:a:1 because the numbering starts at 0.
FFmpeg - Replace Audio With Audio From Another Video
https://www.linuxquestions.org/questions/linux-software-2/ffmpeg-replace-audio-with-audio-from-another-video-4175432712/
You could take the audio file and use audacity to make adjustments i.e use compressor and normalize from the effects menu and then use ffmpeg to merge them as above. OR You can re-encode the audio with the -vol switch. This will increase the volume. You can start with 1000 and work your way up. For example
ffmpeg - how to replace audio track in mkv file (on …
https://stackoverflow.com/questions/9446578/how-to-replace-audio-track-in-mkv-file-on-ubuntu-11-10
To merge specific streams (audio or video) from several files use -i option for each input and -map input_index[:stream_index]. For example, the following command merges the first stream of the first input with the second input and keeps the codecs: ffmpeg -i input.mkv -i input_audio.ogg -map 0:0 -map 1 \ -vcodec copy -acodec copy output.mkv
Audio Transcoding using FFmpeg - Change Audio Codecs using ...
https://ottverse.com/transcode-audio-codec-ffmpeg-without-changing-video/
Just ensure that you have the right extensions and FFmpeg will do the conversion for you. In this case, FFmpeg with re-encode the video and provide it in an mp3 container. ffmpeg -i audio_file.wav audio_file.mp3 That’s it and with these two simple commands, you should be able to transcode your audio from one codec to another (or switch containers).
How to replace a videos' audio with an audio file | FFMPEG ...
https://www.youtube.com/watch?v=tDmMh4oNDWU
Need to replace a video's entire audio track with another audio file? Well, instead of rendering out the entire video again, you can simply and almost immedi...
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